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Finding the Fourth Proportional to 14,803.83, 22,205.84 and 5,919.90

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Solution

The fourth proportional to 14,803.83, 22,205.84 and 5,919.90 is: 8,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.83 : 22,205.84 = 5,919.90 : x
  2. Step 2: Convert to fraction form
    14,803.83/22,205.84 = 5,919.90/x
  3. Step 3: Cross multiply
    14,803.83x = 22,205.84 × 5,919.90
  4. Step 4: Simplify right side
    14,803.83x = 131,456,380.90
  5. Step 5: Solve for x
    x = 131,456,380.90/14,803.83
  6. Step 6: Final answer
    x = 8,879.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.